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Toyota Corolla Air Conditioning – Not Cooling Properly

Toyota Corolla Air Conditioning – Not Cooling Properly

Hello,

I’ve been noticing that the air conditioning in my Toyota Corolla isn’t cooling the cabin as well as it used to. The air coming out is not as cold, and the AC seems to struggle, especially on hot days. I’ve checked the refrigerant levels, but the issue persists.

Has anyone faced this problem? What could be causing the air conditioning to underperform, and what can I do to fix it?

Appreciate any advice!
Sandeep asked on 29 Jan 2025 12:58:02 pm
1 Answer
25 views |
Car Mechanic Expert - on 29 Jan 2025 13:04:26 pm
If your Toyota Corollas air conditioning is not cooling as effectively as it used to, there are several potential causes. Since youve already checked the refrigerant levels, here are a few other things that could be affecting its performance:

Compressor Issues: The AC compressor is responsible for circulating refrigerant throughout the system. If its failing o r not engaging properly, it could lead to reduced cooling power. A mechanic can test the compressor to see if its working efficiently.

Clogged o r Dirty Condenser o r Evaporator Coils: If either of these components is clogged with debris o r dirt, it can restrict airflow and reduce cooling efficiency. Cleaning o r replacing these parts may be necessary.

Faulty Blower Motor o r Fan: If the blower motor isnt working properly, the air wont circulate well enough to cool the cabin. It could also be a problem with the fan motor o r fan relay.

Refrigerant Leaks: Even though you’ve checked the refrigerant levels, a small leak can sometimes cause the refrigerant to slowly escape. A thorough leak test is needed to detect any hidden leaks.

Blocked o r Leaking Hoses: Sometimes the hoses carrying refrigerant may be blocked o r have small leaks, which can affect the air conditioning performance.

To fix the issue, you might need to have the AC system inspected by a mechanic to pinpoint the exact problem. They can check the compressor, fans, coils, and refrigerant system to ensure everything is functioning correctly.
 

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